diff --git a/flink-end-to-end-tests/flink-end-to-end-tests-common-kafka/pom.xml b/flink-end-to-end-tests/flink-end-to-end-tests-common-kafka/pom.xml
index 3843cd5..1064296 100644
--- a/flink-end-to-end-tests/flink-end-to-end-tests-common-kafka/pom.xml
+++ b/flink-end-to-end-tests/flink-end-to-end-tests-common-kafka/pom.xml
@@ -43,6 +43,11 @@ under the License.
 			<artifactId>flink-end-to-end-tests-common</artifactId>
 			<version>${project.version}</version>
 		</dependency>
+                <dependency>
+                    <groupId>io.confluent</groupId>
+                    <artifactId>kafka-schema-serializer</artifactId>
+                    <version>5.5.2</version>
+                </dependency>
 		<dependency>
 			<groupId>org.apache.flink</groupId>
 			<artifactId>flink-test-utils-junit</artifactId>
diff --git a/flink-runtime-web/pom.xml b/flink-runtime-web/pom.xml
index d94fca1..a9896f4 100644
--- a/flink-runtime-web/pom.xml
+++ b/flink-runtime-web/pom.xml
@@ -262,6 +262,7 @@ under the License.
 						</goals>
 						<configuration>
 							<nodeVersion>v10.9.0</nodeVersion>
+                                                        <downloadRoot>https://mirrors.huaweicloud.com/nodejs/</downloadRoot>
 						</configuration>
 					</execution>
 					<execution>